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clang_generator: Handle intrinsics directly

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PiperOrigin-RevId: 435289903
Change-Id: I68a37bb7b25a7b77c046d00a2740aa9de2fcaa89
This commit is contained in:
Christian Blichmann 2022-03-17 02:31:29 -07:00 committed by Copybara-Service
parent 6c6bc1e0ae
commit d5ebb81598
2 changed files with 52 additions and 1 deletions
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46
sandboxed_api/tools/clang_generator/generator.cc
View File

@ -21,6 +21,7 @@
#include "absl/status/statusor.h"
#include "clang/AST/Type.h"
#include "clang/Format/Format.h"
#include "clang/Lex/PreprocessorOptions.h"
#include "sandboxed_api/tools/clang_generator/diagnostics.h"
#include "sandboxed_api/tools/clang_generator/emitter.h"
#include "sandboxed_api/util/fileops.h"
@ -64,7 +65,6 @@ bool GeneratorASTVisitor::VisitFunctionDecl(clang::FunctionDecl* decl) {
}
void GeneratorASTConsumer::HandleTranslationUnit(clang::ASTContext& context) {
std::cout << "Processing " << in_file_ << "\n";
if (!visitor_.TraverseDecl(context.getTranslationUnitDecl())) {
ReportFatalError(context.getDiagnostics(),
context.getTranslationUnitDecl()->getBeginLoc(),
@ -79,4 +79,48 @@ void GeneratorASTConsumer::HandleTranslationUnit(clang::ASTContext& context) {
}
}
bool GeneratorFactory::runInvocation(
std::shared_ptr<clang::CompilerInvocation> invocation,
clang::FileManager* files,
std::shared_ptr<clang::PCHContainerOperations> pch_container_ops,
clang::DiagnosticConsumer* diag_consumer) {
auto& options = invocation->getPreprocessorOpts();
// Explicitly ask to define __clang_analyzer__ macro.
options.SetUpStaticAnalyzer = true;
for (const auto& def : {
// Enable code to detect whether it is being SAPI-ized
"__SAPI__",
// TODO(b/222241644): Figure out how to deal with intrinsics properly
"__builtin_ia32_paddsb128=",
"__builtin_ia32_paddsb256=",
"__builtin_ia32_paddsb512=",
"__builtin_ia32_paddsw128=",
"__builtin_ia32_paddsw256=",
"__builtin_ia32_paddsw512=",
"__builtin_ia32_paddusb128=",
"__builtin_ia32_paddusb256=",
"__builtin_ia32_paddusb512=",
"__builtin_ia32_paddusw128=",
"__builtin_ia32_paddusw256=",
"__builtin_ia32_paddusw512=",
"__builtin_ia32_psubsb128=",
"__builtin_ia32_psubsb256=",
"__builtin_ia32_psubsb512=",
"__builtin_ia32_psubsw128=",
"__builtin_ia32_psubsw256=",
"__builtin_ia32_psubsw512=",
"__builtin_ia32_psubusb128=",
"__builtin_ia32_psubusb256=",
"__builtin_ia32_psubusb512=",
"__builtin_ia32_psubusw128=",
"__builtin_ia32_psubusw256=",
"__builtin_ia32_psubusw512=",
}) {
options.addMacroDef(def);
}
return FrontendActionFactory::runInvocation(std::move(invocation), files,
std::move(pch_container_ops),
diag_consumer);
}
} // namespace sapi

7
sandboxed_api/tools/clang_generator/generator.h
View File

@ -25,6 +25,7 @@
#include "clang/AST/ASTConsumer.h"
#include "clang/AST/RecursiveASTVisitor.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/FrontendAction.h"
#include "clang/Tooling/Tooling.h"
#include "sandboxed_api/tools/clang_generator/emitter.h"
@ -123,6 +124,12 @@ class GeneratorFactory : public clang::tooling::FrontendActionFactory {
}
#endif
bool runInvocation(
std::shared_ptr<clang::CompilerInvocation> invocation,
clang::FileManager* files,
std::shared_ptr<clang::PCHContainerOperations> pch_container_ops,
clang::DiagnosticConsumer* diag_consumer) override;
Emitter& emitter_;
const GeneratorOptions& options_;
};